Claude Skills by null0xxx

Simulates academic peer review, evaluating papers across Originality, Methodology, Results, and Writing to provide Major/Minor Revision recommendations with actionable feedback. Triggers when a user asks to \"review my paper,\" \"simulate peer review,\" or \"give my paper a peer review.

When the user wants to generate, iterate, or scale ad creative — headlines, descriptions, primary text, or full ad variations — for any paid advertising platform. Also use when the user mentions 'ad copy variations,' 'ad creative,' 'generate headlines,' 'RSA headlines,' 'bulk ad copy,' 'ad iterations,' 'creative testing,' 'ad performance optimization,' 'write me some ads,' 'Facebook ad copy,' 'Google ad headlines,' 'LinkedIn ad text,' or 'I need more ad variations.' Use this whenever someone ...

ADHD-friendly life management assistant for daily planning, task breakdown, time management, and maintaining routines. Triggered when the user asks for help organizing, planning their day, beating procrastination, feeling overwhelmed, or mentions ADHD challenges like time blindness or difficulty starting tasks.

Extract key knowledge from study materials (text, Markdown, notes) and generate front-question + back-answer flashcards, producing an Anki-compatible CSV file ready for import. Trigger when users mention flashcards, Anki, spaced repetition, need to convert notes into Q&A pairs, or request memory cards or review cards from their study content.

Generate multiple radically different interface designs for a module using parallel sub-agents. Use when user wants to design an API, explore interface options, compare module shapes, or mentions "design it twice".

Skill for writing gravitational-wave observational results papers for compact binary coalescence events (BNS, BBH, NSBH) detected by LIGO, Virgo, or KAGRA. Covers paper architecture, first-page layout, parameter estimation figures, uncertainty notation, credible region plots, statistical conventions, and running headers in Physical Review X two-column journal style.

Adapt stakeholder communication to the target audience (CEO, VP, Tech Lead, or Operations), adjusting detail level, language, and focus. Output tailored emails, briefings, or slide outlines. Trigger when a user asks for an executive briefing, stakeholder update, project status report for leadership, cross-team sync, or mentions writing to a VP, CEO, or tech lead.

Automatically selects and runs the right statistical test for your data — t-test, ANOVA, chi-square, Mann-Whitney, or others — and provides plain-language interpretations of the results. Triggered when you ask about group comparisons, significance, p-values, hypothesis testing, or mention specific tests like t-test, ANOVA, or chi-square.

A systematic brand naming workshop that generates 8 distinct name candidates using classic methods like portmanteau and metaphor, each with meaning, rationale, and domain suggestions. Triggered when a user needs to name a product, service, or company, or asks for brand name ideas, brainstorming, or naming help.

Automate browser interactions via CLI commands to navigate web pages, extract data, take screenshots, fill forms, and interact with web apps. Supports remote sessions with CAPTCHA solving and anti-bot stealth for scraping protected sites. Trigger when the user asks to browse websites, scrape data, or automate clicks on any page.

Generate a full campaign brief with objectives, audience, messaging, channel strategy, content calendar, and success metrics. Use when planning a product launch, lead-gen push, or awareness campaign, when you need a week-by-week content calendar with dependencies, or when translating a marketing goal into a structured, executable plan.

Generate publication-quality PNG chart images from data, supporting line, bar, area, candlestick, pie, and heatmap charts. Triggers when the user asks to visualize data, create a graph, plot a time series, or generate a chart for a report, alert, or dashboard. Runs as a lightweight, headless Node.js process without a browser.

Reduce voluntary and involuntary churn through cancel flow design, save offers, exit surveys, and dunning sequences. Use when designing or optimizing a cancel flow, building save offers, setting up dunning emails, or reducing failed-payment churn. Trigger keywords: cancel flow, churn reduction, save offers, dunning, exit survey, payment recovery, win-back, involuntary churn, failed payments, cancel page. NOT for customer health scoring or expansion revenue.

Convert academic citations between APA, MLA, IEEE, and Harvard styles with batch processing and format validation. Trigger when users ask to convert, check, or fix their references, mention specific citation styles, or talk about their bibliography.

Comprehensive AI programming tutor offering interactive lessons, code reviews, debugging help, algorithm practice, and project guidance for Python and JavaScript. Triggers when users ask to learn a language, debug code, review their work, practice algorithms, prepare for interviews, or build a project.

Analyze codebases and automatically generate architecture diagrams, flowcharts, and org charts. Uses AST parsing to map import dependencies for Python, JS/TS, Go, and Java, outputting Mermaid or SVG files. Triggered when users ask to visualize code architecture, understand dependencies, draw a flowchart, or create a module diagram from source code.

Scan code for security issues: dependency vulnerabilities (npm/pip audit), secret leaks (regex and entropy analysis), and OWASP anti-patterns like SQL injection, XSS, or command injection. Use when the user mentions security scans, vulnerability detection, secret leaks, API keys, OWASP, npm audit, pip-audit, hardcoded passwords, or code security checks.

Produce institutional-grade commodity outlook reports with supply-demand analysis, price forecasts, and trade recommendations, formatted as PDF, DOCX, or PPTX documents. Triggered when users request commodity market reports, ask for trade ideas on energy, metals, or agricultural commodities, or mention keywords like commodity outlook, research note, or price drivers.

Analyzes competitor SEO and GEO strategies—their ranking keywords, content, backlinks, and AI citations—to reveal opportunities to outperform them. Triggered by requests like \"analyze competitors,\" \"competitive SEO,\" \"who ranks for,\" \"what are my competitors doing,\" or \"why do they rank higher.

Assists in writing high-quality content by conducting research, adding citations, improving hooks, iterating on outlines, and providing real-time feedback on each section. Transforms your writing process from solo effort to collaborative partnership.

Analyzes git diff to generate commit messages following the Conventional Commits spec, with automatic scope detection and commit type inference. Trigger when users ask to write or generate a commit message, mention Conventional Commits, git commits, standardized commits, scope detection, or phrases like 'help me write a commit message'.

When the user wants to edit, review, or improve existing marketing copy. Also use when the user mentions 'edit this copy,' 'review my copy,' 'copy feedback,' 'proofread,' 'polish this,' 'make this better,' 'copy sweep,' 'tighten this up,' 'this reads awkwardly,' 'clean up this text,' 'too wordy,' or 'sharpen the messaging.' Use this when the user already has copy and wants it improved rather than rewritten from scratch.

When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," "CTA copy," "value proposition," "tagline," "subheadline," "hero section copy," "above the fold," "this copy is weak," "make this more compelling," or "help me describe my product." Use this wheneve...

Analyzes correlation matrices (Pearson/Spearman), computes partial correlations to control for confounding variables, and flags potential spurious correlations in your data. Triggered when users ask about relationships between variables, need correlation matrices, or mention Pearson/Spearman coefficients, partial correlation, confounding factors, or spurious correlations.

Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me".

Adapts and repurposes content (blog posts, articles, reports, newsletters) for LinkedIn, Twitter/X, WeChat Official Accounts, Zhihu, and Slack — adjusting tone, length, formatting, and language to match each platform's norms, including English-Chinese cross-language adaptation. Use when a user wants to repurpose, cross-post, adapt, or convert existing content for different platforms.

Optimize resumes by matching keywords to the job description, rewriting experience with the quantified STAR method, and checking ATS compatibility. Triggered when users ask for resume help, review, or polishing, mention JD matching, STAR method, ATS, or want to tailor their resume for a specific role.

Generate self-contained HTML/SVG infographics from JSON data, including stat cards, bar charts, flow diagrams, and mixed dashboards. Offers 8 color palettes and built-in icons with no external dependencies. Triggered when users request data visualization, infographics, charts, or dashboards.

Explore SQLite and PostgreSQL databases: list tables, inspect schemas (columns/types/constraints), preview data, generate Mermaid ER diagrams, and run safe read-only queries. Triggered by requests to explore a database, view table structures, describe tables, generate diagrams, or query data, and by keywords like database exploration, schema, ER diagram, or SQL query.

Run comprehensive quality checks on tabular data (CSV/Excel/TSV/JSON), detecting missing values, duplicates, outliers, format issues, and type inconsistencies to produce an overall score, grade, and actionable suggestions. Triggered when users ask to check data quality, find missing or duplicate values, detect outliers, validate formats, profile data, or clean data.

Explore a codebase to find opportunities for architectural improvement, focusing on making the codebase more testable by deepening shallow modules. Use when user wants to improve architecture, find refactoring opportunities, consolidate tightly-coupled modules, or make a codebase more AI-navigable.

Extract design systems from reference UI images and generate implementation-ready UI design prompts. Use when users provide UI screenshots/mockups and want to create consistent designs, generate design systems, or build MVP UIs matching reference aesthetics.

Generates complete technical tutorials from prerequisites and environment setup to core steps, troubleshooting, and a final cheatsheet. Trigger on requests to write a tutorial, create a setup guide, organize steps for beginners, or keywords like step-by-step, quickstart, or how-to guide.

Builds a discounted cash flow (DCF) valuation model, calculating enterprise value, equity value, and per-share price with a growth-rate × discount-rate sensitivity analysis matrix. Triggered by requests like 'do a DCF on [company]', 'run a valuation', 'calculate WACC/discount rate', or mentions of free cash flow, terminal value, or sensitivity analysis.

Create and edit Word documents (.docx) — C# + OpenXML SDK for creation, WIR engine for editing/comments/tracked changes. Use for any .docx task including document creation, editing, comments, revisions, footnotes, TOC, and Markdown-to-Word conversion.

Extract a DDD-style ubiquitous language glossary from the current conversation, flagging ambiguities and proposing canonical terms. Saves to UBIQUITOUS_LANGUAGE.md. Use when user wants to define domain terms, build a glossary, harden terminology, create a ubiquitous language, or mentions "domain model" or "DDD".

Generate professional sell-side earnings review reports for quarterly or annual results, producing PDF/DOCX/PPTX documents with EPS analysis, guidance review, and variance tables. Triggered when users request an earnings review, need a quarterly wrap, ask for a beat/miss analysis, or mention summarizing an earnings call for any public company.

Writes complete e-commerce product listing copy including titles, selling points, specifications, and FAQs, styled for Taobao, JD.com, or Amazon. Triggered by requests for product copy, titles, detail pages, bullet points, specifications, or platform-specific listings like Taobao titles or Amazon A+ content.

Convert text to high-quality spoken audio using Microsoft Edge's neural TTS, supporting multiple voices, languages, speed, and pitch adjustments, plus subtitle generation. Use when a user requests voice output, mentions TTS, wants content read aloud for multitasking or accessibility, or specifies a particular voice, speed, or format.

Generate professional HTML email newsletters compatible with Gmail and Outlook. Creates table-based layouts with inline CSS for reliable rendering. Use it when asked to \"build a newsletter,\" \"create an email template,\" or draft a marketing, internal, or digest email.

Create institutional-grade investment research reports with sell-side styling, dense information layout, and comprehensive section structure. Use for equity, fixed-income, strategy, sector, derivatives, ETF, or quantitative research. Mimics Goldman Sachs, Morgan Stanley, or JPMorgan style with cover pages, exhibit-numbered charts, glossary, and disclosures. Supports PDF, DOCX, and PPTX output.

Analyze companies and generate investment research for Chinese A-shares, HK stocks, and US stocks. Two output modes:(1) Tear Sheet — concise 3-5 page PDF. (2) Equity Report — in-depth ≥25 page PDF with financial model. Triggered by ANY company analysis request including:'analyze [company]', 'look into [stock]', 'what do you think of [company]', 'tell me about [stock]', 'research [company]', or explicit keywords:'tear sheet', 'one pager', 'deep dive', 'equity report', or any stock code (e.g., ...

Fastest browser automation with anti-bot bypass and DOM extraction. Navigate pages, capture screenshots, manage sessions, and harvest data from infinite scroll via Chrome DevTools Protocol. Runs 10x faster than Puppeteer. Trigger for any web scraping, automated browsing, data extraction, or screenshot task.

Analyzes company fundamentals by computing 20+ financial ratios (profitability, solvency, liquidity, efficiency, and growth) and DuPont Analysis from user-provided financial statements. Triggered by requests for financial ratio calculation, DuPont/ROE analysis, or phrases like \"analyze these financials\" or \"calculate solvency ratios.

Analyzes income statement, balance sheet, and cash flow statement data to generate YoY/QoQ trend analysis and flag anomalies like AR surges or cash flow divergence. Trigger when users ask to analyze financials, compare YoY/QoQ, detect red flags, or assess earnings quality.

Search and discover skills for the agent. Use when the user expresses intent to find a skill, search for a skill, or needs a skill to solve a specific problem. Triggers on phrases like "find skill", "search skill", "look for skill", or when the user describes a problem and asks for a skill recommendation. Also triggers when the user asks about available skills or skill discovery.

Compare multiple ETFs using NAV CSV data, generating key risk-return metrics like annualized return, max drawdown, Sharpe ratio, and a correlation matrix. Triggered when users ask to compare ETFs or funds, calculate performance metrics, analyze NAV data, or mention terms like Sharpe ratio, correlation analysis, or max drawdown.

Generate interactive HTML Gantt charts with Critical Path Method (CPM) analysis from task lists and dependencies, highlighting the critical path and calculating float times. Use when the user asks to create a Gantt chart, schedule project tasks, analyze the critical path, visualize dependencies, or mentions project timelines, milestones, or task scheduling.

Create stunning geographic magazine-style presentation decks (PPTX) with editorial-quality layouts, large hero imagery, data-driven charts, and luxury aesthetic. Use for location collections, luxury real estate showcases, travel destination decks, curated map-based presentations, or architecture portfolios with magazine-style grid overviews and section dividers.

Guide users through GitLab CLI (glab) operations with command references and workflow examples for merge requests, issues, CI/CD pipelines, repositories, authentication, and over 30 other commands. Trigger when users mention GitLab CLI, glab commands, GitLab automation, MR/issue management via CLI, CI/CD pipeline commands, repo operations, authentication setup, or any GitLab terminal operations.